BMW E9X 3-Series Crankcase Vent Valve to Valve Cover Hose By JL

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Our Part Number:11157522931E9X

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Crankcase hose. Valve to Valve Cover Hose. Made By JL.

Part # 11 15 7 522 931

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I bought this to install when I was replacing my starter. I read that it's common to break this when doing a starter replacement. I was glad to have this on hand when I broke mine!

If you've never removed your intake manifold before, I can almost guarantee that you'll break the plastic tubing on this. You'd think they could just use rubber...

Unfortunately, I had trouble installing this part. I fought with it for maybe an hour. I tried lubricating the o-rings with oil, twisting, pushing from different angles, rotating, rocking...no matter what I did, it refused to go on! I was dismayed, to say the least.

It finally occurred to me to check the o-rings. Sure enough, the O-rings on this OEM part were not the same spec as the factory part. I'd guess the factory o-rings were around 1/16", while this "OEM part" had o-rings closer to 3/32".

As soon as I swapped the o-rings from my old crankcase vent to the new one, it snapped into place. What a relief!

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Crankcase vent valve for e90

February 10, 2017

Reviewer:
Rajiv Ramkishun from Valrico, FL United States

This is basically a required part when replacing the starter on an e90 with n52 engine. The original hose was brittle and cracked which can cause vacuum leaks. I ordered a new one from oembimmerparts and it was the correct hose, they shipped the part next day, and it fit like a glove. I go to oembimmerparts for all my bmw needs. I am a satisfied customer and wouldnt shop anywhere else.